🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 11.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.89 AU - 1.19 AU

Year: 696 Days

Day: 6.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,418,882 km

• M1: 144,212 km (0.081 R)
• M2: 550,969 km (0.108 R)
• M3: 995,275 km (0.079 R)
• M4: 1,363,435 km (0.097 R)
• M5: 2,254,739 km (0.105 R)
• M6: 2,796,283 km (0.108 R)
• M7: 3,750,419 km (0.1 R)
• M8: 4,333,102 km (0.095 R)
• M9: 4,845,176 km (0.119 R)
• M10: 5,379,988 km (0.107 R)
• M11: 5,861,693 km (0.064 R)
• M12: 6,748,659 km (0.032 R)
• M13: 7,161,250 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.4

Radius: 13.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.99 AU - 1.13 AU

Year: 716 Days

Day: 13.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,418,882 km

• M1: 170,392 km (0.066 R)
• M2: 649,255 km (0.107 R)
• M3: 1,214,286 km (0.111 R)
• M4: 1,693,149 km (0.08 R)
• M5: 2,309,791 km (0.084 R)
• M6: 2,847,895 km (0.082 R)
• M7: 3,337,977 km (0.049 R)
• M8: 3,813,100 km (0.101 R)
• M9: 4,349,109 km (0.089 R)
• M10: 4,901,275 km (0.099 R)
• M11: 5,913,155 km (0.104 R)
• M12: 6,387,679 km (0.072 R)
• M13: 7,213,161 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.1

Radius: 14.2

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.61 AU - 2.15 AU

Year: 1691 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,418,882 km

• M1: 176,525 km (0.12 R)
• M2: 749,485 km (0.072 R)
• M3: 1,528,741 km (0.065 R)
• M4: 2,540,471 km (0.11 R)
• M5: 3,536,344 km (0.076 R)
• M6: 4,133,838 km (0.097 R)
• M7: 5,197,628 km (0.12 R)
• M8: 5,950,704 km (0.091 R)
• M9: 7,280,330 km (0.119 R)
• M10: 8,001,841 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.6

Radius: 12.6

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.95 AU - 2.95 AU

Year: 2516 Days

Day: 5.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,418,882 km

• M1: 180,265 km (0.087 R)
• M2: 622,178 km (0.033 R)
• M3: 1,014,573 km (0.06 R)
• M4: 1,475,185 km (0.057 R)
• M5: 3,020,830 km (0.116 R)
• M6: 3,910,339 km (0.098 R)
• M7: 4,490,479 km (0.083 R)
• M8: 5,591,520 km (0.092 R)
• M9: 6,540,419 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.2

Radius: 5.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.45 AU - 8.93 AU

Year: 12647 Days

Day: 23.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,418,882 km

• M1: 74,201 km (0.052 R)
• M2: 264,788 km (0.032 R)
• M3: 463,903 km (0.093 R)
• M4: 1,058,255 km (0.102 R)
• M5: 1,372,860 km (0.11 R)
• M6: 2,290,343 km (0.116 R)
• M7: 3,743,088 km (0.043 R)
• M8: 3,954,620 km (0.113 R)
• M9: 4,263,988 km (0.109 R)
• M10: 10,961,784 km (0.111 R)
• M11: 14,240,221 km (0.034 R)
• M12: 20,556,842 km (0.083 R)
• M13: 20,884,461 km (0.113 R)
• M14: 21,282,391 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.9

Radius: 7.6

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.57 AU - 9.09 AU

Year: 13019 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,418,882 km

• M1: 98,435 km (0.092 R)
• M2: 1,265,299 km (0.117 R)
• M3: 2,031,689 km (0.08 R)
• M4: 3,947,289 km (0.06 R)
• M5: 4,350,605 km (0.102 R)
• M6: 8,488,782 km (0.096 R)
• M7: 9,972,792 km (0.084 R)
• M8: 10,612,174 km (0.087 R)
• M9: 11,506,919 km (0.115 R)
• M10: 13,509,436 km (0.058 R)
• M11: 17,269,578 km (0.067 R)
• M12: 23,201,882 km (0.103 R)
• M13: 24,417,813 km (0.032 R)
• M14: 28,848,603 km (0.12 R)
• M15: 30,034,615 km (0.085 R)
• M16: 39,654,506 km (0.032 R)
• M17: 43,454,142 km (0.087 R)
• M18: 46,751,429 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836.5

Radius: 5.2

Gravity: 30.94 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.86 AU - 10.24 AU

Year: 17860 Days

Day: 15.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,418,882 km

• M1: 66,571 km (0.106 R)
• M2: 367,562 km (0.064 R)
• M3: 649,554 km (0.086 R)
• M4: 1,285,046 km (0.104 R)
• M5: 1,754,484 km (0.118 R)
• M6: 2,603,901 km (0.117 R)
• M7: 2,772,647 km (0.057 R)
• M8: 2,974,454 km (0.075 R)
• M9: 3,323,317 km (0.107 R)
• M10: 3,789,464 km (0.085 R)
• M11: 6,182,132 km (0.12 R)
• M12: 6,353,272 km (0.12 R)
• M13: 6,615,816 km (0.103 R)
• M14: 8,714,674 km (0.047 R)
• M15: 8,929,946 km (0.111 R)
• M16: 10,599,009 km (0.088 R)
• M17: 11,864,458 km (0.102 R)
• M18: 12,946,798 km (0.09 R)
• M19: 13,511,829 km (0.097 R)
• M20: 20,284,873 km (0.053 R)
• M21: 20,473,665 km (0.118 R)
• M22: 22,324,939 km (0.119 R)
• M23: 25,690,293 km (0.106 R)
• M24: 27,956,700 km (0.082 R)
• M25: 28,307,807 km (0.075 R)
• M26: 29,499,354 km (0.077 R)
• M27: 32,237,743 km (0.092 R)
• M28: 34,600,492 km (0.105 R)
• M29: 37,927,099 km (0.111 R)
• M30: 49,685,642 km (0.106 R)
• M31: 56,103,839 km (0.037 R)
• M32: 62,453,072 km (0.119 R)
• M33: 68,413,949 km (0.11 R)
• M34: 68,838,358 km (0.117 R)
• M35: 70,122,506 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 14,774 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit